Quantico Marine Base - Mainside is a large public water system in EPA region 3 that provides tap water for the 22134 zip codes. It has 9 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.
The maximum reported level of alpha-hexachlorocyclohexane was 0.011 µg/L. Some (1 of 8 or 13%) of the latest water samples showed levels of alpha-hexachlorocyclohexane that were at or above unsafe concentration levels. The maximum reported level of HAA5 (five regulated haloacetic acids) was 106.65 µg/L. Some (9 of 16 or 56%) of the latest water samples showed levels of HAA5 (five regulated haloacetic acids) that were at or above unsafe concentration levels. The maximum reported level of Manganese was 26 µg/L. There were 3 contamintants found in the Quantico Marine Base - Mainside water supply at levels that were above the minimum reporting level. 2 of the contaminants were above the reference level, which means they may pose a risk to human health.
The latest water samples were taken on April 16th, 2025.